import pika
connection = pika.BlockingConnection(
    pika.ConnectionParameters('localhost')
)
channel = connection.channel()

channel.queue_declare(queue='hello')

def callback(ch,method,properties,body):
    print("[x] Recived %r"%body)

channel.basic_consume(
    callback,
    queue='hello',
    no_ack=True
)
print(' [*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()